April weather forecastGreendale, MO
April
Weather in April
April in Greendale, Missouri, is a comfortable spring month, with temperature in the range of an average high of 65.5°F (18.6°C) and an average low of 48°F (8.9°C).Temperature
An increase in the average high-temperature marks April, moving from March's cool 54.3°F (12.4°C) to a refreshing 65.5°F (18.6°C). Greendale's nighttime temperature during April is consistently averaged at a frosty 48°F (8.9°C).Humidity
In April, the average relative humidity in Greendale is 75%.Rainfall
In Greendale, during April, the rain falls for 14.8 days and regularly aggregates up to 3.31" (84mm) of precipitation. In Greendale, during the entire year, the rain falls for 144.8 days and collects up to 30.59" (777mm) of precipitation.Snowfall
In Greendale, snow does not fall in April through October.Daylight
In April, the average length of the day is 13h and 14min.On the first day of April, sunrise is at 6:44 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:52 pm CDT.
Sunshine
The average sunshine in April is 8.6h.UV index
The average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 5 in April translates into these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Boost your sun resistance with garments that are densely woven yet spacious. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Greendale, MO
- Average high temperature in April: 65.5°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in April: 48°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in April
Greendale, MO
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Greendale, MO
- Average wind speed in April: 8.9mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in April
Greendale, MO
- Average humidity in April: 75%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Greendale, MO
- Average rainfall in April: 3.31"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in April
Greendale, MO
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in April
Greendale, MO
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Greendale, MO
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Greendale, MO
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 36min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in April
Greendale, MO
- Average sunshine days in April: 14.2 days
The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in April
Greendale, MO
- Average UV index in April: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in April
Greendale, MO
- Average cloud cover in April: 41
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Greendale, MO
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
